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Published on: 8/20/2026

At what age might men start experiencing erectile difficulties, and how is this related to testosterone levels?

Erectile problems often begin for many men in their 40s or later. One common cause is a natural decline in testosterone levels that occurs as men age, which can affect sexual function, energy, and overall well-being.

If you're noticing changes in erectile function, don't guess or wait it out. Understanding the underlying cause—whether it's hormonal, cardiovascular, psychological, or medication-related—is the first step toward effective treatment. A free, instant, online symptom check can help you identify potential causes based on your specific symptoms and guide you on the right next steps, so you can have a more informed conversation with your doctor.

Reviewed for medical accuracy: 07/14/2026

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As men get older, especially around their 40s, some may start to have trouble getting or keeping an erection. This problem is called erectile dysfunction or ED. One reason for ED is that the body makes less testosterone, which is a hormone that helps with sex drive and keeping a strong erection. While testosterone levels naturally go down a bit over time, it is not the only reason for ED.

Other health issues like heart disease, diabetes, and stress can also play a big role. Studies have shown that the chance of having ED increases with age and low testosterone can be one of the factors involved.

However, every person is different. For example, some men might notice changes earlier while others might not have any problems until much later. It is important to know that there are many reasons for ED, and if someone has concerns, they should check their symptoms with a free AI-powered tool or talk with a doctor. A healthcare provider can look at all the factors altogether to help understand what might be causing the change and what treatment might help.

(References)

  • Rajfer J. Relationship between testosterone and erectile dysfunction. Rev Urol. 2000 Spring;2(2):122-8. PMID: 16985751; PMCID: PMC1476110.

  • Gareri P, Castagna A, Francomano D, Cerminara G, De Fazio P. Erectile dysfunction in the elderly: an old widespread issue with novel treatment perspectives. Int J Endocrinol. 2014;2014:878670. doi: 10.1155/2014/878670. Epub 2014 Mar 17. PMID: 24744785; PMCID: PMC3976909.

  • Leslie SW, Sooriyamoorthy T. Erectile Dysfunction. [Updated 2024 Jan 9]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan-. Available from: www.ncbi.nlm.nih.gov/books/NBK562253/

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